AS1332 Datasheet, PDF (9/19 Pages) ams AG – 650mA, Step-Down DC-DC Converter for RF Power Amplifiers

AS1332
Datasheet - Typical Operating Characteristics
Figure 18. VCON Voltage Response; VIN = 4.2V,
VCON = 0V to 1.4V, RLOAD = 10Ω
Figure 19. VCON and Load Transient; VIN = 4.2V,
VCON = 0V to 1.4V, 15Ω/8Ω, same time
50µs/Div
50µs/Div
Figure 20. Timed Current Limit Response; VIN = 3.6V,
VOUT = 1.3V, RLOAD = 10Ω
Figure 21. Output Voltage Ripple; VIN = 3.6V,
VOUT = 1.3V, IOUT = 200mA
5µs/Div
200ns/Div
Figure 22. VOUT Ripple in Skip Mode; VIN = 3.547V,
VOUT = 3.16V, RLOAD = 5Ω
Figure 23. RDSON (P-Chanel) vs. Temperature;
ISW = 200mA
350
300
250
200
150
500ns/Div
100
Vi n=2.7V
50
Vi n=3.6V
Vi n=5.5V
0
-40
-15
10
35
60
85
Temperature (°C)
www.austriamicrosystems.com
Revision 1.01
9 - 19